55083887 has 2 divisors, whose sum is σ = 55083888. Its totient is φ = 55083886.

The previous prime is 55083851. The next prime is 55083967. The reversal of 55083887 is 78838055.

55083887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55083887 - 2⁶ = 55083823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55080887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27541943 + 27541944.

It is an arithmetic number, because the mean of its divisors is an integer number (27541944).

Almost surely, 2^55083887 is an apocalyptic number.

55083887 is a deficient number, since it is larger than the sum of its proper divisors (1).

55083887 is an equidigital number, since it uses as much as digits as its factorization.

55083887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 55083887 is about 7421.8519925959. The cubic root of 55083887 is about 380.4884922698.

The spelling of 55083887 in words is "fifty-five million, eighty-three thousand, eight hundred eighty-seven".